Cameras capture alleged "Facebook killer" in the act

MIAMI (WFLX) - Cameras capture disturbing video inside the home of the South Florida man accused of killing his wife, and then posting a picture of her body on Facebook.

In this video, Derick Medina's can be seen aruging with his wife in the kitchen.

Police say he steps out and then back in again -- this time with a gun. They believe this is the moment he kills his wife. But it gets worse, police believe the video shows Medina returning to the kitchen with his camera phone and appears to take a picture of his dead wife.

Medina is now facing murder charges and is behind bars at the Miami-Dade jail.

Pittsburgh Steelers offensive tackle and former Army Ranger Alejandro Villanueva (78) stands outside the tunnel alone during the national anthem before an NFL football game against the Chicago Bears, Sunday, Sept. 24, 2017. (AP Photo/Nam Y. Huh)

The Pittsburgh Steelers will be on the field during the national anthem for next weekend's game against the Baltimore Ravens.